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Service for Java SDK that can be used to achieve redundancy.

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/*
 * Copyright 2013-2018 Guardtime, Inc.
 *
 *  This file is part of the Guardtime client SDK.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License").
 *  You may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *  http://www.apache.org/licenses/LICENSE-2.0
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES, CONDITIONS, OR OTHER LICENSES OF ANY KIND, either
 *  express or implied. See the License for the specific language governing
 *  permissions and limitations under the License.
 *  "Guardtime" and "KSI" are trademarks or registered trademarks of
 *  Guardtime, Inc., and no license to trademarks is granted; Guardtime
 *  reserves and retains all trademark rights.
 *
 */
package com.guardtime.ksi.service.ha;

class ConsolidatedResult {

    private final T latest;
    private final HAConfigurationConsolidationException latestException;

    ConsolidatedResult(T latest) {
        this.latest = latest;
        this.latestException = null;
    }

    ConsolidatedResult(HAConfigurationConsolidationException e) {
        this.latestException = e;
        this.latest = null;
    }

    boolean wasSuccessful() {
        return latest != null;
    }

    public T getResult() {
        return latest;
    }

    public Throwable getException() {
        return latestException;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;

        ConsolidatedResult that = (ConsolidatedResult) o;

        boolean successful = wasSuccessful();
        if (successful != that.wasSuccessful()) return false;

        return successful ? getResult().equals(that.getResult()) : getException().equals(that.getException());
    }
}